rust-clippy/tests/ui/redundant_pattern_matching_option.stderr

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:15:12
   |
LL |     if let None = None::<()> {}
   |     -------^^^^------------- help: try this: `if None::<()>.is_none()`
   |
   = note: `-D clippy::redundant-pattern-matching` implied by `-D warnings`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:17:12
   |
LL |     if let Some(_) = Some(42) {}
   |     -------^^^^^^^----------- help: try this: `if Some(42).is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:19:12
   |
LL |     if let Some(_) = Some(42) {
   |     -------^^^^^^^----------- help: try this: `if Some(42).is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:25:15
   |
LL |     while let Some(_) = Some(42) {}
   |     ----------^^^^^^^----------- help: try this: `while Some(42).is_some()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:27:15
   |
LL |     while let None = Some(42) {}
   |     ----------^^^^----------- help: try this: `while Some(42).is_none()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:29:15
   |
LL |     while let None = None::<()> {}
   |     ----------^^^^------------- help: try this: `while None::<()>.is_none()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:32:15
   |
LL |     while let Some(_) = v.pop() {
   |     ----------^^^^^^^---------- help: try this: `while v.pop().is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:40:5
   |
LL | /     match Some(42) {
LL | |         Some(_) => true,
LL | |         None => false,
LL | |     };
   | |_____^ help: try this: `Some(42).is_some()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:45:5
   |
LL | /     match None::<()> {
LL | |         Some(_) => false,
LL | |         None => true,
LL | |     };
   | |_____^ help: try this: `None::<()>.is_none()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:50:13
   |
LL |       let _ = match None::<()> {
   |  _____________^
LL | |         Some(_) => false,
LL | |         None => true,
LL | |     };
   | |_____^ help: try this: `None::<()>.is_none()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:56:20
   |
LL |     let _ = if let Some(_) = opt { true } else { false };
   |             -------^^^^^^^------ help: try this: `if opt.is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:62:20
   |
LL |     let _ = if let Some(_) = gen_opt() {
   |             -------^^^^^^^------------ help: try this: `if gen_opt().is_some()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:64:19
   |
LL |     } else if let None = gen_opt() {
   |            -------^^^^------------ help: try this: `if gen_opt().is_none()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:70:12
   |
LL |     if let Some(..) = gen_opt() {}
   |     -------^^^^^^^^------------ help: try this: `if gen_opt().is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:85:12
   |
LL |     if let Some(_) = Some(42) {}
   |     -------^^^^^^^----------- help: try this: `if Some(42).is_some()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:87:12
   |
LL |     if let None = None::<()> {}
   |     -------^^^^------------- help: try this: `if None::<()>.is_none()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:89:15
   |
LL |     while let Some(_) = Some(42) {}
   |     ----------^^^^^^^----------- help: try this: `while Some(42).is_some()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:91:15
   |
LL |     while let None = None::<()> {}
   |     ----------^^^^------------- help: try this: `while None::<()>.is_none()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:93:5
   |
LL | /     match Some(42) {
LL | |         Some(_) => true,
LL | |         None => false,
LL | |     };
   | |_____^ help: try this: `Some(42).is_some()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:98:5
   |
LL | /     match None::<()> {
LL | |         Some(_) => false,
LL | |         None => true,
LL | |     };
   | |_____^ help: try this: `None::<()>.is_none()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:106:12
   |
LL |     if let None = *(&None::<()>) {}
   |     -------^^^^----------------- help: try this: `if (&None::<()>).is_none()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:107:12
   |
LL |     if let None = *&None::<()> {}
   |     -------^^^^--------------- help: try this: `if (&None::<()>).is_none()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:113:5
   |
LL | /     match x {
LL | |         Some(_) => true,
LL | |         _ => false,
LL | |     };
   | |_____^ help: try this: `x.is_some()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:118:5
   |
LL | /     match x {
LL | |         None => true,
LL | |         _ => false,
LL | |     };
   | |_____^ help: try this: `x.is_none()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:123:5
   |
LL | /     match x {
LL | |         Some(_) => false,
LL | |         _ => true,
LL | |     };
   | |_____^ help: try this: `x.is_none()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:128:5
   |
LL | /     match x {
LL | |         None => false,
LL | |         _ => true,
LL | |     };
   | |_____^ help: try this: `x.is_some()`

error: redundant pattern matching, consider using `is_some()`
  --> $DIR/redundant_pattern_matching_option.rs:143:13
   |
LL |     let _ = matches!(x, Some(_));
   |             ^^^^^^^^^^^^^^^^^^^^ help: try this: `x.is_some()`

error: redundant pattern matching, consider using `is_none()`
  --> $DIR/redundant_pattern_matching_option.rs:145:13
   |
LL |     let _ = matches!(x, None);
   |             ^^^^^^^^^^^^^^^^^ help: try this: `x.is_none()`

error: aborting due to 28 previous errors